Home / 1,008,929.90-1,392,255.86-579,150.38

Finding the Fourth Proportional to 1,008,929.90, 1,392,255.86 and 579,150.38

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Solution

The fourth proportional to 1,008,929.90, 1,392,255.86 and 579,150.38 is: 799,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,929.90 : 1,392,255.86 = 579,150.38 : x
  2. Step 2: Convert to fraction form
    1,008,929.90/1,392,255.86 = 579,150.38/x
  3. Step 3: Cross multiply
    1,008,929.90x = 1,392,255.86 × 579,150.38
  4. Step 4: Simplify right side
    1,008,929.90x = 806,325,510,376.23
  5. Step 5: Solve for x
    x = 806,325,510,376.23/1,008,929.90
  6. Step 6: Final answer
    x = 799,188.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.